/*

 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")

 *

 * SPDX-License-Identifier: MPL-2.0

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, you can obtain one at https://mozilla.org/MPL/2.0/.

 *

 * See the COPYRIGHT file distributed with this work for additional

 * information regarding copyright ownership.

 */

/*! \file */

#include <stddef.h>

#include <isc/util.h>

#include <dns/rdataset.h>

#include <dns/rdatasetiter.h>

void

dns__rdatasetiter_destroy(dns_rdatasetiter_t **iteratorp DNS__DB_FLARG) {

  REQUIRE(iteratorp != NULL);

  REQUIRE(DNS_RDATASETITER_VALID(*iteratorp));

  (*iteratorp)->methods->destroy(iteratorp DNS__DB_FLARG_PASS);

  ENSURE(*iteratorp == NULL);

}

isc_result_t

dns__rdatasetiter_first(dns_rdatasetiter_t *iterator DNS__DB_FLARG) {

  REQUIRE(DNS_RDATASETITER_VALID(iterator));

  isc_result_t result =

    iterator->methods->first(iterator DNS__DB_FLARG_PASS);

  ENSURE(result == ISC_R_SUCCESS || result == ISC_R_NOMORE);

  return result;

}

isc_result_t

dns__rdatasetiter_next(dns_rdatasetiter_t *iterator DNS__DB_FLARG) {

  REQUIRE(DNS_RDATASETITER_VALID(iterator));

  isc_result_t result =

    iterator->methods->next(iterator DNS__DB_FLARG_PASS);

  ENSURE(result == ISC_R_SUCCESS || result == ISC_R_NOMORE);

  return result;

}

void

dns__rdatasetiter_current(dns_rdatasetiter_t *iterator,

        dns_rdataset_t *rdataset DNS__DB_FLARG) {

  REQUIRE(DNS_RDATASETITER_VALID(iterator));

  REQUIRE(DNS_RDATASET_VALID(rdataset));

  REQUIRE(!dns_rdataset_isassociated(rdataset));

  iterator->methods->current(iterator, rdataset DNS__DB_FLARG_PASS);

}